Home / 31,337.11-47,001.04-9,144.53

Finding the Fourth Proportional to 31,337.11, 47,001.04 and 9,144.53

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Solution

The fourth proportional to 31,337.11, 47,001.04 and 9,144.53 is: 13,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.11 : 47,001.04 = 9,144.53 : x
  2. Step 2: Convert to fraction form
    31,337.11/47,001.04 = 9,144.53/x
  3. Step 3: Cross multiply
    31,337.11x = 47,001.04 × 9,144.53
  4. Step 4: Simplify right side
    31,337.11x = 429,802,420.31
  5. Step 5: Solve for x
    x = 429,802,420.31/31,337.11
  6. Step 6: Final answer
    x = 13,715.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.